They were all in wall Maria fight trying to protect Eren in his Attack Titan form and lots are dead and Jean disappeared from the group

Eren left his form and was laying on the ground past our and a Titan was able out eat him until a Titan that had a horse face came and scooped the passed out Eren in his mouth and started running

Mikasa: "Eren!" She didn't know if this was a regular titan or an abnormal

Armin: In shock

Connie and Sasha were staring at the Titan